﻿Validator = {
  Require : /.+/,
  Email : /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/,
  Phone : /^((\(\d{3}\))|(\d{3}\-))?(\(0\d{2,3}\)|0\d{2,3}-)?[1-9]\d{6,7}$/,
  Mobile : /^((\(\d{3}\))|(\d{3}\-))?13\d{9}$/,
  Url : /^http:\/\/[A-Za-z0-9]+\.[A-Za-z0-9]+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"\"])*$/,
  IdCard : /^\d{15}(\d{2}[A-Za-z0-9])?$/,
  Currency : /^\d+(\.\d+)?$/,
  Number : /^\d+$/,
  Zip : /^[1-9]\d{5}$/,
  QQ : /^[1-9]\d{4,8}$/,
  Integer : /^[-\+]?\d+$/,
  Double : /^[-\+]?\d+(\.\d+)?$/,
  English : /^[A-Za-z]+$/,
  Chinese :  /^[\u0391-\uFFE5]+$/,
  UnSafe : /^(([A-Z]*|[a-z]*|\d*|[-_\~!@#\$%\^&\*\.\(\)\[\]\{\}<>\?\\\/\'\"]*)|.{0,5})$|\s/,
  IsSafe : function(str){return !this.UnSafe.test(str);},
  SafeString : "this.IsSafe(value)",
  Limit : "this.limit(value.length,getAttribute('min'),  getAttribute('max'))",
  LimitB : "this.limit(this.LenB(value), getAttribute('min'), getAttribute('max'))",
  Date : "this.IsDate(value, getAttribute('min'), getAttribute('format'))",
  Repeat : "value == document.getElementsByName(getAttribute('to'))[0].value",
  Range : "getAttribute('min') < value && value < getAttribute('max')",
  Compare : "this.compare(value,getAttribute('operator'),getAttribute('to'))",
  Custom : "this.Exec(value, getAttribute('regexp'))",
  Group : "this.MustChecked(getAttribute('name'), getAttribute('min'), getAttribute('max'))",
  ErrorItem : [document.forms[0]],
  ErrorMessage : ["\t"],
  Validate : function(theForm, mode){
    var obj = theForm || event.srcElement;
    var count = obj.elements.length;
    this.ErrorMessage.length = 1;
    this.ErrorItem.length = 1;
    this.ErrorItem[0] = obj;
    for(var i=0;i<count;i++){
      with(obj.elements[i]){
        var _dataType = getAttribute("dtype");
        if(typeof(_dataType) == "object" || typeof(this[_dataType]) == "undefined")  continue;
        this.ClearState(obj.elements[i]);
        if(getAttribute("require") == "false" && value == "") continue;
        switch(_dataType){
          case "Date" :
          case "Repeat" :
          case "Range" :
          case "Compare" :
          case "Custom" :
          case "Group" : 
          case "Limit" :
          case "LimitB" :
          case "SafeString" :
            if(!eval(this[_dataType]))  {
              this.AddError(i, getAttribute("dmsg"));
            }
            break;
          default :
            if(!this[_dataType].test(value)){
              this.AddError(i, getAttribute("dmsg"));
            }
            break;
        }
      }
    }
    if(this.ErrorMessage.length > 1){
      mode = mode || 1;
      var errCount = this.ErrorItem.length;
      switch(mode){
      case 2 :
        for(var i=1;i<errCount;i++)
          this.ErrorItem[i].style.color = "red";
      case 1 :
        alert(this.ErrorMessage.join("\n"));
        this.ErrorItem[1].focus();
        break;
      case 3 :
        for(var i=1;i<errCount;i++){
        try{
          var span = document.createElement("SPAN");
          span.id = "__ErrorMessagePanel";
          span.style.color = "red";
          this.ErrorItem[i].parentNode.appendChild(span);
          span.innerHTML = this.ErrorMessage[i].replace(/\d+:/,"&nbsp;*");
          }
          catch(e){alert(e.description);}
        }
        this.ErrorItem[1].focus();
        break;
      default :
        alert(this.ErrorMessage.join("\n"));
        break;
      }
      return false;
    }
    return true;
  },
  limit : function(len,min, max){
    min = min || 0;
    max = max || Number.MAX_VALUE;
    return min <= len && len <= max;
  },
  LenB : function(str){
    return str.replace(/[^\x00-\xff]/g,"**").length;
  },
  ClearState : function(elem){
    with(elem){
      if(style.color == "red")
        style.color = "";
      var lastNode = parentNode.childNodes[parentNode.childNodes.length-1];
      if(lastNode.id == "__ErrorMessagePanel")
        parentNode.removeChild(lastNode);
    }
  },
  AddError : function(index, str){
    this.ErrorItem[this.ErrorItem.length] = this.ErrorItem[0].elements[index];
    this.ErrorMessage[this.ErrorMessage.length] = this.ErrorMessage.length + ":" + str;
  },
  Exec : function(op, reg){
    return new RegExp(reg,"g").test(op);
  },
  compare : function(op1,operator,op2){
    switch (operator) {
      case "NotEqual":
        return (op1 != op2);
      case "GreaterThan":
        return (op1 > op2);
      case "GreaterThanEqual":
        return (op1 >= op2);
      case "LessThan":
        return (op1 < op2);
      case "LessThanEqual":
        return (op1 <= op2);
      default:
        return (op1 == op2);            
    }
  },
  MustChecked : function(name, min, max){
    var groups = document.getElementsByName(name);
    var hasChecked = 0;
    min = min || 1;
    max = max || groups.length;
    for(var i=groups.length-1;i>=0;i--)
      if(groups[i].checked) hasChecked++;
    return min <= hasChecked && hasChecked <= max;
  },
  IsDate : function(op, formatString){
    formatString = formatString || "ymd";
    var m, year, month, day;
    switch(formatString){
      case "ymd" :
        m = op.match(new RegExp("^((\\d{4})|(\\d{2}))([-./])(\\d{1,2})\\4(\\d{1,2})$"));
        if(m == null ) return false;
        day = m[6];
        month = m[5]--;
        year =  (m[2].length == 4) ? m[2] : GetFullYear(parseInt(m[3], 10));
        break;
      case "dmy" :
        m = op.match(new RegExp("^(\\d{1,2})([-./])(\\d{1,2})\\2((\\d{4})|(\\d{2}))$"));
        if(m == null ) return false;
        day = m[1];
        month = m[3]--;
        year = (m[5].length == 4) ? m[5] : GetFullYear(parseInt(m[6], 10));
        break;
      default :
        break;
    }
    if(!parseInt(month)) return false;
    month = month==12 ?0:month;
    var date = new Date(year, month, day);
        return (typeof(date) == "object" && year == date.getFullYear() && month == date.getMonth() && day == date.getDate());
    function GetFullYear(y){return ((y<30 ? "20" : "19") + y)|0;}
  }
 }